It's not going to work in anything resembling the near term. To be efficient the heating system must be quite a bit warmer than the target temperature. Second how many people would accept random technicians coming to their house for maintenance and upgrades? Third what happens if there is a leak or equipment is stolen. What about power costs, who pays? How are you going to deal with people tampering with the equipment? I could go on, but in short it's not going to happen anytime soon, if ever.
E: "Did they... did they just endorse the combination of the JSDF and US Army by showing them as two lesbian lolicons moving in together and holding hands and talking about how 'intimate' they were?"
B: "Have you forgotten so soon? They're phasing out Don't Ask, Don't Tell."
E: "Did they... did they just endorse the combination of the JSDF and US Army by showing them as two lesbian lolicons moving in together and holding hands and talking about how 'intimate' they were?"
B: "Have you forgotten so soon? They're phasing out Don't Ask, Don't Tell."